What number is 25% of 64

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates